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常用排序算法之冒泡排序

题目:编写一个C程序,应用冒泡排序法对序列{2,5,6,3,7,8,0,9,12,1}进行排序,要求从小到大排序,并输出排序后的序列元素

算法分析:直接运用冒泡排序算法即可 代码实现:

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#include <stdio.h>

void bubblesort(int a[], int n)
{
int i,j;
for(i=1;i<=n-1 && flag==1;i++)
{
flag=0;
for(j=1;j<=n-i;j++)
{
if(a[j+1]<a[j])
{
a[0] = a[j+1];
a[j+1] = a[j];
a[j] = a[0];
flag = 1;
}
}
}
}

int main()
{
int i;
int a[11] = {-111,2,5,6,3,7,8,0,9,12,1};
printf("The orginal data array is\n");
for(i=1;i<=10;i++)
{
printf("%d ", a[i]);
}
bubblesort(a, 10);
printf("\nThe result of bubble sorting for the array is\n");
for(i=1;i<=10;i++)
{
printf("%d ", a[i]);
}
}

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